Masonry; stonemasonry; plumbing; plumbing and pumpmakers' guild of Amsterdam; guild token of Corneelis Wansbeek; master bricklayer; silver medallion in cable border on support ring and support ring. Front: crowned; lying trowel within palm tree wreath. Reverse: inscription above flower branch; Amsterdam; Corneelis Warnsbeek; anonymous; 1772; silver (metal); engraving; l 6 cm x l 5.6 cm x d 5.1 cm x w 26.80 gr